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Upcoming Events

Events and training of interest to members of the GPA.


Upcoming GPA Meeting

Date: May 11, 2021

The next GPA meeting will be on May 11th at 10:00 hours. The training will be hosted by the Bibb County Sheriff's Office on May 11th, at 10:00 AM. Training will be provided on the Directed Lie Comparison Question and lunch will be catered.

Posted: March 10, 2021

Tri-State Polygraph Conference

Date: September 29, 2021

The GPA is proud to host this year's Tri-State Polygraph Conference from September 29 - October 1st at the Hotel Tybee in Tybee Island, GA. Instructors include Steve Duncan, Mark Handler, and Erika Thiel.

Download Event Flier: PDF

Hotel Information

Hotel Tybee
1401 Strand Avenue
Tybee Island, GA 31328

Phone: 912-786-7777

Download Registration: PDF


Wednesday, September 29th
08:00-09:45: Countermeasure research (2 hours) - Mark Handler
09:45-10:00: Break
10:00-11:45: Understanding base rates and reducing inconclusive results (2 hours) - Mark Handler
11:45-13:00: Lunch
13:00-14:45: ESS-Multinomial update (2 hours)
14:45-15:00: Break
15:00-16:45: Emergency Services Pre-employment testing (2 hours) - Steve Duncan
Thursday, September 30th
08:00-09:45: Advances in PCSOT testing (2 hours) - Erika Thiel
09:45-10:00: Break
10:00-11:45: Trauma-related issues in PDD (2 hours) - Erika Thiel
11:45-13:00: Lunch
13:00-14:45: Updates on current and future PCSOT model (2 hours) - Erika Thiel
14:45-15:00: Break
15:00-16:45: 15:00-16:45 APA Standards of Practice (2 hours) - Steve Duncan
16:45-17:45: GPA Member Business Meeting
Friday, October 1st
08:00-11:45 Case review, discussion, Q&A, and scoring exercise (4 hours) - Mark Handler


Steve Duncan
A former President of the Georgia Polygraph Association (GPA) and the American Polygraph Association (APA). He retired from the Georgia State Patrol and spends his time as a guest lecturer and instructor for the APA and the American International Institute of Polygraph (AIIP). He is a valuable member of the polygraph community and we are pleased to have him instructing and attending the Tri-State conference this year. Mr. Duncan will be presenting on the APA Standards of Practice and Emergency Services Pre-employment Testing.

Mark Handler
The current Editor for the American Polygraph Association publication and is highly considered to be a leader in the field of polygraph research. He is a former law enforcement polygraphist and is a polygraph and credibility assessment instructor. He has written and co- authored approximately 70 peer-reviewed articles pertaining to credibility assessment. We are very fortunate to have Mr. Handler as one of our talented and knowledgeable instructors for this year's conference. Mr. Handler will be providing instruction regarding ESS-Multinomial scoring, Countermeasure Research, and Understanding Base Rates & Reducing Inconclusive Results.

Erika Thiel
A Board Member with the APA and serves as the Chair of the APA PCSOT Committee. She is a licensed clinical therapist and polygraph program manager, specializing in Post-Conviction Sex Offender Testing (PCSOT). Ms. Thiel will be leading instruction on the latest PCSOT trends and recommendations, the PCSOT model, advances in PCSOT testing, and trauma-related issues in PDD.

Posted: April 7, 2021

Contact Information

Postal Address

Georgia Polygraph Association
Attn: John Sweat
8470 Earl D. Lee Blvd.
Douglasville, GA 30134


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